TY - BOOK AU - Gould,David ED - Reader's Digest Association. TI - How was it done?: the story of human ingenuity through the ages SN - 0762100885 AV - T15 .H78 1998 U1 - 609 21 PY - 1998/// CY - Pleasantville, N.Y. PB - Reader's Digest KW - Technology KW - History KW - sears N1 - At head of title: Reader's Digest; Includes index; Young Adult; Follett Library Resources N2 - Presents the inside stories behind over 250 of humanity's most significant achievements, from prehistoric times through the late twentieth century; and includes related anecdotes, artifacts, and illustrations ER -